Seeing 'Short read' error in Samba-plugin's pwrite() while reading data from socket data.

[sandeep nag]

OK, Thanks Volker Lendecke.


On Tue, May 13, 2014 at 10:15 AM, Volker Lendecke <Volker.Lendecke at sernet.de
> wrote:

> On Mon, May 12, 2014 at 11:56:59PM +0530, sandeep nag wrote:
> > I am seeing 'Short read' errors in pwrite() call of our Samba-VFS plugin
> > while reading data from socket data. Please suggest me the function to
> > debug in samba code and tell me, what could be the possible reasons for
> > 'Short read' errors and how can it be fixed.
> >
> >
> >  bytes_read = 0;
> >     while(bytes_read != n)
> >     {
> >         read_ret = read(wd->u.rfd, buf + bytes_read, n - bytes_read);
> >         if (read_ret == 0)
> >         {
> >             read_ret = -1;
> >             CIFS_NOTICE("%s: Short read from socket, n %ld, bytes_read
> > %ld,"    <==== This error is seen in  logs.
> >                         " errno %d", __FUNCTION__, n, bytes_read, errno);
>
> As Jeremy said: On a nonblocking socket it just means the
> buffer is empty. On a blocking socket, the other end has
> closed it.
>
> With best regrads,
>
> Volker Lendecke
>
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